6. Patients must have normal organ and marrow function as defined below: a) Leukocytes > 2,500/mcL b) Absolute neutrophil count > 1,500/mcL c) Hemoglobin > 9 g/dl d) Platelets > 100,000/mcL e) Total bilirubin < 1.5 mg/dl f) AST/ALT (SGOT/SGPT) < 2.5 x ULN g) Alkaline Phosphatase < 2.5 x ULN (unless bone metastasis is present in the absence of liver metastasis, in which case 3.0 x ULN would be acceptable. h) Serum magnesium > 1.8 mg/dL i) Serum creatinine < 1.5 mg/dl j) Serum potassium > 3.8 mmol/L